Peer service optimization (#5056)

2022-01-10 00:01:28 -08:00 · 2022-01-10 00:01:28 -08:00 · 642f2c1614
parent c3e0c258d7
commit 642f2c1614
1 changed files with 6 additions and 0 deletions
--- a/instrumentation-api/src/main/java/io/opentelemetry/instrumentation/api/instrumenter/PeerServiceAttributesExtractor.java
+++ b/instrumentation-api/src/main/java/io/opentelemetry/instrumentation/api/instrumenter/PeerServiceAttributesExtractor.java
@ -58,6 +58,12 @@ public final class PeerServiceAttributesExtractor<REQUEST, RESPONSE>
      REQUEST request,
      @Nullable RESPONSE response,
      @Nullable Throwable error) {
+
+    if (peerServiceMapping.isEmpty()) {
+      // optimization for common case
+      return;
+    }
+
    String peerName = netClientAttributesExtractor.peerName(request, response);
    String peerService = mapToPeerService(peerName);
    if (peerService == null) {